» Berthier Associates - Designs workplaces, lounges, showrooms, and labs.
» Chiyoda Corporation - Offers international engineering, design and construction services. Corporate information and news, and technical articles. Content available in English and Japanese.
» Chodai Co., Ltd. - Civil engineering company specializing in the planning, design, and construction supervision of long span bridges, infrastructure, and computer systems.
» Dai-Dan - Specializing in electrical works.
» Daito Trust Construction - Planning and construction of buildings, and buildings management.
» E-Markets Co. - Japanese construction machinery and heavy equipment exporters. Ships worldwide.
» Fujita Corporation - Construction company involved in building planning, design, maintenance, urban renewal, and environmental technology.
» Hagiwara House Corporation - Construction company providing renovation services.
» Hazama Corporation - Active in construction, including large-scale public works projects. Also involved in architecture work and civil engineering.
» Hitachi Construction Machinery - Provides a variety of equipment and attachments for construction, including digging, loading, carrying, breaking, grabbing, cutting, crushing, and screening.
» Hitachi Plant Technologies - Construction of power plants, water treatment facilities, and clean rooms.
» Ilya Corporation - Design of commercial and corporate office interiors.
» Jgc - Active in construction of nuclear and chemical plants.
» Kajima Corporation - Civil engineering projects, such as nuclear power plants.
» Kandenko - Construction contractor providing electric facility installations.
» Kaneso Co.,Ltd. - Manufactures and sells metal products for architecture, buildings, and conduits. With introduction of products, statement of accounts, employment, and download of CAD data.
» Kidoh Construction - Osaba based construction company of pre-stressed concrete tanks and bridges.
» Koatsu Kogyo - production and sale of pre-stressed concrete products.
» Komatsu, Ltd. - Makes loaders, tracked excavators, shovels, dozers, carriers, motor graders, dump trucks, and tunnelers, plus mining, electronics, industrial, environmental products, and their component parts.
» MH Development - Specializes in heavy-steel modular and mobile buildings. Manufactures and ships overseas.
» Maeda Corporation - Large civil engineering projects.
» Meisei Industrial - Architectural construction and interior finishing.
» Nittoc Construction - Construction company offering civil engineering works, roads and sewerage.
» Ohki - Provides architectural construction.
» Oriental Construction - Construction of pre-stressed concrete buildings.
» P.S. Mitsubishi Construction - Active in the construction of buildings and roads.
» Penta-Ocean Construction - Development of railroads and sewer systems.
» SOGO Corporation - A specialist trading company in Japan for the exporting used construction machinery. With current stock list.
» Sekisui House Ltd. - Osaka firm focusing on design and construction of buildings and landscape, civil engineering, real estate, interior decoration, trucking and warehousing.
» Seltec Inc. - Offers concrete engineering, landscaping specialties, urban materials design and applications, soil stabilization, and house foundation reinforcement.
» Shimizu Corporation - Construction and real estate development.
» Shiraishi - Architectural construction of bridges and roadways.
» Suruga - General contractor for commercial buildings.
» Taikisha - Designs and installs cleanroom systems, mechanical and electrical systems for buildings, paint finishing systems, and the manufacture and sale of related materials and equipment.
» Taisei Corporation - Construction of office buildings and electric power facilities.
» Takenaka Corporation - Active in architecture, engineering, construction, interior design, urban development, and recycling.
» Tateyama Aluminum Industry Co., Ltd. - Based in Takaoka City, Toyama. Maker of business construction materials, housing fixtures, signs, commercial and public facilities.
» Token Corporation - Active in construction, housing, tenancy arrangements, renovations, architecture design, building, travel, and financial services.
» Tokura Construction Co., Ltd. - Active in civil engineering and buildings, power plants, dams, and water channels. Based in Nagoya.
» Toyo Engineering - Includes research, consulting and construction of chemical facilities, nuclear power, natural gas, oil refining, and biotechnology. Based in Chiba.
» Zenitaka Corporation - Urban and marine development, real estate, and civil engineering. Based in Osaka with international offices.
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